Home / 3,152,963.85-4,729,445.82-756,808.48

Finding the Fourth Proportional to 3,152,963.85, 4,729,445.82 and 756,808.48

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Solution

The fourth proportional to 3,152,963.85, 4,729,445.82 and 756,808.48 is: 1,135,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152,963.85 : 4,729,445.82 = 756,808.48 : x
  2. Step 2: Convert to fraction form
    3,152,963.85/4,729,445.82 = 756,808.48/x
  3. Step 3: Cross multiply
    3,152,963.85x = 4,729,445.82 × 756,808.48
  4. Step 4: Simplify right side
    3,152,963.85x = 3,579,284,681,585.23
  5. Step 5: Solve for x
    x = 3,579,284,681,585.23/3,152,963.85
  6. Step 6: Final answer
    x = 1,135,212.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.